Răspunsuri

2014-05-20T21:49:32+03:00
2(2x-3+3)(x-2)≥2  =>
(4x -6 + 6)(x-2) 
≥ 2 =>
4x(x-2) ≥2 =>
4x^2 - 8x ≥ 2 =>
4x^2 - 8x - 2 ≥ 0

4x^2 inseamna 4x la puterea a 2a
2014-05-20T21:51:17+03:00
2(2x-3+3)(x-2)≥2 
(4x-6+6)(x-2)≥2
4x(x-2)≥2
4x²-8x≥2
4x²-8x-2≥0